Heat-concentrator



' (No Medel.)

P. M. NIKON. HEAT GONGBNTRATOR.

No. 439,251. Patented 0011.28. 1890.

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PHEBE M. NIXON, OF TOPEKA, KANSAS.

HEAT-CONCENTRATOR.

SPECIFICATION forming part of Letters Patent No. 439,251, dated October 28, 1890.

Application filed March 3, 1890.

T0 aZZ whom it may concern.:

Be it known that I, PHEBE M.'NIXON,a citizen of the United States, residing at Topeka, in the county of Shawnee and State of Kansas, have invented certain new and useful Improvements in Heat-Concentrators; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

My invention relates to stoves, and more especially to those which use oil or gas for fuel, though the invention is applicable to stoves in general.

The objects of my invention are, among others, to provide means for concentrating the heat from two or more sources upon one culinary vessel; to prevent the article being heated from receiving the flame in one spot only; to econolnize in the use of fuel, and to protect the person using the stove against danger from the name.

In the drawings, Figure 1 is an elevation of a stove provided with my improvement. Fig. 2 is a plan view partly broken away. Fig. 3 is a longitudinal vertical section on the line 3 3,Fig.2; and Fig. 4 is a cross-section on the vline 4 4, Fig. 2.

The stove A may be of any suitable construction and adapted to burn oil, or gas, or any kind of fuel. I have shown an oil-stove of well-known make.

My improvement consists in the removable attachment B,whicl1 comprises a shallow box provided with a flat bottom, low sides, and a flat top seamed to the upper edges of the sides. In the bottom are formed two or more openings b, of a proper size and location to register with the heat-exits in the top of the stove. Each inlet-opening b is furnished with a laterally-swinging cover C, pivoted at c to the under side of the box. The top of the box has a central outlet-opening b larger than the openings h, so as not to choke the draft.

To divert the heat and flames from the inlet-openings b to the central opening h and also to protect the top of the box from the direct impact of the flame, a delecting-hood D serial No. 342,328. (No model.)

is arranged over each. opening b,slanting upward from the end of the boxtoward the middle and widening somewhat in the same direction. Each hood is formed, preferably, from a single piece of material curved to the shape shown and secured to the bottom of the box by rivets d passed through iianges d. The ends of the hoods project within the edge of the central opening h', but do not meet, leaving sufficient space between them for the escape of the heat.

Between the inlet-openings?) is a pyramidal deflector E, secured to the bottom of the box by rivets e passing through flanges e. The apex of the pyramid lies below the center of the outlet-opening h, and its surface forms, with the under surfaces of the hoods D, two inclined iiues leading from the inlet-openings to a common discharge below the outlet-opening. The iiames and heat passing up into these flues are diverted toward the outletopening and concentrated upon the article placed there. The heat entering either opening b can be governed by the cover C. When both covers are closed, the box serves as a reservoir of heat to keep warm any articles placed on it. In the case of utensils that cannot be safely exposed to the direct action of the iiame the concentrator is of great service, since the full effect of the heat can be utilized, but at a point remote from the iame. Being removable, my attachment does not interfere with the ordinary use of the stove.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is

l. Aheat-concentrator for stoves, consisting of a removable box having inletopenings for heat in its bottom, a central outlet-opening in its top, and internal deflectors-extending from the inlet-openings toward the middle of the box, substantially as described.

2. A heat-concentrator for stoves, consisting of a removable shallow box having inlet-openings for heat in its bottom, each furnished with a cover, an outlet-opening in its top, and internal upwardly-inclined deliectors extending from the inlet-openings toward the middle of the box, substantially as described.

3. A heat-concentrator for stoves, consisting of a removable box having inlet-openings for heat in its bottom,an outlet-opening in its IOO top,a-nd internal upwardly-inclined iiues run- 5. The combinatiomwith the box B, having ning` from the inlet-openings to e common disthe inlet-openings b and theoutlet-opening b', charge below the outlet-opening,substantially of the laterally-swinging covers C, the hoods I 5 as described. D, and the pyramidal deectoi E, having its 5 4. Aheat-concentratorfoistoves,consisting apex below the center of the opening b', subof the box B, having inlet-openings b in its stentially as described.

bottom, an outlet-opening b in its top, a, de- In testimony whereof Iax my signature in fleeting-hood D, extending from each end of presence of two Witnesses.v the box upwardly toward the middle of the PHEBE M. NIXON. 1o box, and a, pyramidal deflector E, located be- Vitnesses:

tween the two inletopenings b, substantially C. S. GLEED, as described.v A C. W. CLUM. 

